Compact Compost: NatureMill needs just two weeks

With all the focus on going green these days, it's no surprise that compost goes compact.

San Francisco entrepreneur and inventor Russ Cohn developed a machine that will turn food scraps into compost without any smell or mess. Small enough to sit in the corner of the kitchen, his composter turns waste into organic fertilizer for gardens.

NatureMill is a home composter that recycles its weight in waste every 10 days. It can hold up to 120 pounds of vegetables, coffee grounds, even dairy, meat or fish. Items remain in the upper chamber, with "hot composting" conditions: mixing, air flow, heat, and moisture. The energy released destroys odors, pathogens, and seed germination.

The composter needs to be empty about every two weeks. More than 70 percent of the initial waste disappears into thin air, literally, as compost cultures convert it into water vapor. What's left is a very concentrated compost fertilizer and a great addition to your gardens.

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